864883 has 2 divisors, whose sum is σ = 864884. Its totient is φ = 864882.
The previous prime is 864817. The next prime is 864887. The reversal of 864883 is 388468.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-864883 is a prime.
It is a magnanimous number.
It is not a weakly prime, because it can be changed into another prime (864887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432441 + 432442.
It is an arithmetic number, because the mean of its divisors is an integer number (432442).
2864883 is an apocalyptic number.
864883 is a deficient number, since it is larger than the sum of its proper divisors (1).
864883 is an equidigital number, since it uses as much as digits as its factorization.
864883 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 36864, while the sum is 37.
The square root of 864883 is about 929.9908601701. The cubic root of 864883 is about 95.2764982547.
The spelling of 864883 in words is "eight hundred sixty-four thousand, eight hundred eighty-three".
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